Expert Witness Consultant

Joanna Collins oversees the expert consulting operations for LINUS Investigations and Consulting and is the lead forensic expert and consulting/testifying expert witness.  She is a career criminal investigator and forensic science expert.  She has extensive experience in sexual assault investigations of both child and adult, child forensic interviewing, medico-legal death investigations, and crime scene reconstruction. Having received some of the best training the United States government has to offer over the last 24 years, she has worked cases around the globe and provided training in child forensic interviewing, sexual assault investigations, crime scene investigations, evidence processing, and death investigations to law enforcement agencies at the local, state, federal, and international level.   

In addition to her experience investigating sexual assaults of children and adults, death scenes, and crime scene reconstruction, she has drafted investigative policies on criminal investigations, child sexual assaults, and child forensic interviewing.  Joanna currently serves in a volunteer capacity with the cold case investigative unit of the Bexar County Sheriff’s Department, and is a member of the Texas Rangers’ Unsolved Crime Investigation Program.  

Being recognized by the courts as both a testifying expert and consulting expert at the state and federal-level in sexual assault investigations, child sexual assault investigations, child forensic interviewing, death investigations, and crime scene interpretation – Joanna has served in this capacity on numerous occasions.  She has worked with prosecutors, defense attorneys and public defenders’ offices across the state and the country.

Whether it is reviewing a child forensic interview, consulting on your case for investigative sufficiency, or testifying – Joanna has the expertise and reputation that is unmatched in the private sector.  

Contact LINUS Investigations and Consulting today for a copy of Joanna’s CV and a free consultation on your case.  State and Federal cases, both retained and appointed.  References available. 


San Antonio HQ Office

118 Broadway, Suite 501

San Antonio, TX 78205

Phone: 210-858-5125

Fax: 210-858-5572

Mailing Address

20079 Stone Oak Pkwy, Suite 1105-215

San Antonio, TX 78258

Dallas/Fort Worth Field Office
8528 Davis Blvd., Suite 134-246
North Richard Hills, TX 76182
Phone: 817-752-9691


Austin Satellite Office

Phone: 512-589-7003

Unresolved complaints may be forwarded to the Texas Department of Public Safety/Private Security Bureau at PO Box 4807, Austin, TX 78773

© LINUS Investigations & Consulting